Finding the Fourth Proportional to 3,689.35, 5,090.04 and 2,363.86

Step by Step Solution

1. Step 1: Write the proportion equation
   3,689.35 : 5,090.04 = 2,363.86 : x
2. Step 2: Convert to fraction form
   3,689.35/5,090.04 = 2,363.86/x
3. Step 3: Cross multiply
   3,689.35x = 5,090.04 × 2,363.86
4. Step 4: Simplify right side
   3,689.35x = 12,032,141.95
5. Step 5: Solve for x
   x = 12,032,141.95/3,689.35
6. Step 6: Final answer
   x = 3,261.32